CD274 and neoplasm: Combined with PD-L1 score of tumor cells in tumor tissues and infiltration score of CD45RO+ TILs in all tumor tissues, the patients were divided into 4 groups: patients with PD-L1+/CD45RO+ had the longest disease-free survival (DFS) time, and patients with PD-L1+/CD45RO- had the shortest DFS time.